| Declaration submission | Declaration submission |
| KR20147027715 | KR20147027715 |
| 28/02/2013 | 28/02/2013 |
KR101654532 B1 06/09/2016 KR20140138252 A 03/12/2014 | KR101654532 B1 06/09/2016 KR20140138252 A 03/12/2014 |
| CIRCUIT SWITCH FALLBACK(CSFB) DURING PREPAGING | CIRCUIT SWITCH FALLBACK(CSFB) DURING PREPAGING |
| | |
| | |
| KOREA (REPUBLIC OF) | KOREA (REPUBLIC OF) |
| | |
| US201213413752;WO2013US28291 | US201213413752;WO2013US28291 |
| UnknownCompany (KR20147027715) | Alcatel Lucent ??? ??? |
| | |
| | |